Improper Restriction of Communication Channel to Intended Endpoints Affecting github.com/bishopfox/sliver/server/netstack package, versions <1.5.44
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMBISHOPFOXSLIVERSERVERNETSTACK-13744924
- published29 Oct 2025
- disclosed28 Oct 2025
- creditHoang Nguyen
Introduced: 28 Oct 2025
NewCVE-2025-27093 (opens in a new tab)How to fix?
Upgrade github.com/bishopfox/sliver/server/netstack to version 1.5.44 or higher.
Overview
Affected versions of this package are vulnerable to Improper Restriction of Communication Channel to Intended Endpoints in the custom netstack implementation. An attacker can access internal services or execute unauthorized actions by recovering a Wireguard private key from a process dump or other forensic techniques, then connecting to the network and interacting with exposed services.